Redmi K90 Ultra vs Xiaomi 17T
The Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite, while the Xiaomi 17T (2026) runs on the MediaTek Dimensity 8500 Ultra; launch prices were $420 and $449. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 71/100 (a 2-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 6500); the Redmi K90 Ultra is faster in AnTuTu (3,119,308 vs 2,047,329); the Xiaomi 17T is noticeably lighter (185g vs 227g).
Redmi K90 Ultra
Xiaomi 17T
- Higher AnTuTu: 3119308 vs 2047329
- Better Geekbench Single: 3041 vs 1553
- Better Geekbench Multi: 9494 vs 6403
- Bigger battery: 8550 vs 6500 mAh
- Faster charging: 100W vs 67W
- Higher refresh rate: 165Hz vs 120Hz
- Cheaper at launch: $420 vs $449
- Higher performance (92/100 vs 76/100)
- Longer battery life (78/100 vs 63/100)
- Better display (94/100 vs 85/100)
- Lighter: 185g vs 227g
- Better camera (63/100 vs 37/100)
- Better portability (74/100 vs 40/100)
Comparing the Redmi K90 Ultra vs the Xiaomi 17T, the Redmi K90 Ultra scores 2 points higher (73/100 vs 71/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 76/100). In the "camera" category, the Xiaomi 17T leads (63/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 63/100). Value score: Redmi K90 Ultra — 82/100, Xiaomi 17T — 74/100; it is biased by price level, so it should not be compared directly between devices at different prices. In the "performance" category, the Redmi K90 Ultra notably outperforms the Xiaomi 17T (92/100 vs 76/100). In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 85/100). In the "camera" category, the Xiaomi 17T notably outperforms the Redmi K90 Ultra (63/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra notably outperforms the Xiaomi 17T (78/100 vs 63/100). In the "portability" category, the Xiaomi 17T significantly outperforms the Redmi K90 Ultra (74/100 vs 40/100).
| Specification | Redmi K90 Ultra | Xiaomi 17T | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | MediaTek Dimensity 8500 Ultra | |
| AnTuTu | 3119308 | 2047329 | |
| Geekbench Single | 3041 | 1553 | |
| Geekbench Multi | 9494 | 6403 | |
| Display | 6.8" AMOLED | 6.6" AMOLED | |
| Resolution | 1280x2772 | 2756x1268 | |
| Refresh rate | 165 Hz | 120 Hz | |
| Battery | 8550 mAh | 6500 mAh | |
| Charging | 100W | 67W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 12 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 20 MP | 32 MP | |
| RAM | 12GB / 16GB | 12GB | |
| Storage | 256GB / 512GB | 256GB / 512GB | |
| OS | Android 16 | Android 16 | |
| Brightness (peak) | 3500 nits | — | |
| NFC | yes | yes | |
| Protection | IP68/IP69 | IP68 | |
| Dimensions | 162.9×77.9×8.2 mm | — | |
| Weight | 227 g | 185 g | |
| Launch price | $420 | $449 |
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Xiaomi 17T
- Main: 50MP
- Ultrawide: 12MP
- Telephoto: 50MP
- Front: 32MP
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Xiaomi 17T
- 6.6" AMOLED
- Resolution: 2756x1268
- Refresh rate: 120 Hz
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Xiaomi 17T
- 6500 mAh
- Wired: 67W
- No wireless charging
We compared Redmi K90 Ultra and Xiaomi 17T, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Xiaomi 17T by 52.4% in our overall performance rating.
Launch price difference: $29. Redmi K90 Ultra was $29 cheaper at launch.
performance
In the "performance" category, the Redmi K90 Ultra notably outperforms the Xiaomi 17T (92/100 vs 76/100).
display
In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 85/100).
camera
In the "camera" category, the Xiaomi 17T notably outperforms the Redmi K90 Ultra (63/100 vs 37/100).
battery
In the "battery" category, the Redmi K90 Ultra notably outperforms the Xiaomi 17T (78/100 vs 63/100).
portability
In the "portability" category, the Xiaomi 17T significantly outperforms the Redmi K90 Ultra (74/100 vs 40/100).
Which is better: the Redmi K90 Ultra or the Xiaomi 17T?
The Redmi K90 Ultra edges out the Xiaomi 17T by just 2 points — the two devices are very close in overall level.
What is the rating of the Redmi K90 Ultra and the Xiaomi 17T?
The Redmi K90 Ultra has a MobileRank rating of 73/100, the Xiaomi 17T — 71/100.
Which has the better camera: the Redmi K90 Ultra or the Xiaomi 17T?
The Xiaomi 17T leads on camera score (63/100 vs 37/100).
Which is more powerful: the Redmi K90 Ultra or the Xiaomi 17T?
The Redmi K90 Ultra leads on performance (92/100 vs 76/100).
Should you choose the Redmi K90 Ultra over the Xiaomi 17T?
The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers. The Xiaomi 17T is a better fit for active users.